Round|Lab Grown|IGI

1.05ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG818644625

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644625

Diamond specifications and retailer prices

From €156 EUR
$174 USD
As of October 29, 2026
Save €838 EUR (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,603 EUR at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818644625 or 818644625. Listed at 21 retailers as of October 29, 2026, with a 538% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644625
Dimensions6.55 × 6.49 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.55 mm6.49 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644625
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €323 EUR|Low: €149 EUR|High: €913 EUR|Avg: €338 EUR|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 14€156 EUR
Retailer 4€175 EUR
Retailer 6€181 EUR
Retailer 2€193 EUR
Retailer 7€193 EUR
Retailer 15€261 EUR
Retailer 5€279 EUR
Retailer 1€323 EUR
Retailer 10€331 EUR
Retailer 8€345 EUR
Retailer 9€359 EUR
Retailer 11€471 EUR
Retailer 12€485 EUR
Retailer 3€620 EUR
Retailer 13€907 EUR

44 data points across 15 retailers

21 retailers€156 EUR to €994 EUR

A
Cheapest Retailer
-
€156 EUR
$174 USD
A
Retailer 2
-
€175 EUR
$195 USD
View
Final sale: no returns
A
Retailer 3
-
€181 EUR
$202 USD
View
A
Retailer 4
-
€193 EUR
$216 USD
View
A
Retailer 5
-
€193 EUR
$216 USD
View
A
Retailer 6
-
€218 EUR
HK$1,900 HKD
View
B+
Retailer 7
-
€261 EUR
$292 USD
View
A
Retailer 8
-
€279 EUR
$312 USD
View
A
Retailer 9
-
€323 EUR
£284 GBP
View
B+
Retailer 10
-
€331 EUR
ZAR 5,980 ZAR
View
B+
Retailer 11
-
€345 EUR
£303 GBP
View
B+
Retailer 12
-
€359 EUR
View
B+
Retailer 13
-
€471 EUR
A$809 AUD
View
B+
Retailer 14
-
€485 EUR
$542 USD
View
B
Retailer 15
-
€529 EUR
SGD 799 SGD
View
B
Retailer 16
-
€620 EUR
$693 USD
View
B
Retailer 17
-
€638 EUR
$713 USD
View
B
Retailer 18
-
€669 EUR
$748 USD
View
B
Retailer 19
-
€907 EUR
£798 GBP
View
B
Retailer 20
-
€994 EUR
$1,110 USD
View
Most Expensive
Queensmith
LG818644625 · Oct 27
€1,603 EUR
£1,410 GBP
View
Price under review
20 more retailers have this diamond
Prices start from €156 EURSave up to €838 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.05ct Round
€156 EUR